Stuart Russell is a British-American computer scientist and one of the most influential figures in artificial intelligence. He is a professor of Computer Science at the University of California, Berkeley, and the co-author of Artificial Intelligence: A Modern Approach, the most widely used textbook in AI education worldwide. His work spans a broad range of AI topics, including machine learning, probabilistic reasoning, and multi-agent systems, but he is particularly renowned for his pioneering research on AI safety and ethics.